package org.bouncycastle.asn1.x9;

import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERObjectIdentifier;

public class X962Parameters implements DEREncodable {
    private DERObject params = null;

    public X962Parameters(X9ECParameters ecParameters) {
        this.params = ecParameters.getDERObject();
    }

    public X962Parameters(DERObjectIdentifier namedCurve) {
        this.params = namedCurve;
    }

    public X962Parameters(DERObject obj) {
        this.params = obj;
    }

    public boolean isNamedCurve() {
        return (params instanceof DERObjectIdentifier);
    }

    public DERObject getParameters() {
        return params;
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     * 
     * <pre>
     * Parameters ::= CHOICE {
     *    ecParameters ECParameters,
     *    namedCurve   CURVES.&id({CurveNames}),
     *    implicitlyCA NULL
     * }
     * </pre>
     */
    public DERObject getDERObject() {
        return params;
    }
}
